Here, I share a best Video Converter for Mac
***********.aiseesoft.com/video-converter-for-mac.html
which can convert between all popular video and audio formats with super fast conversion speed and high output quality, such as AVI, MP4, MOV, MKV, WMV, DivX, XviD, MPEG-1/2, 3GP, 3G2, VOB and HD Video (TS, MTS, M2TS), MP3, AAC, and AC3 Audio etc.
And if you're windows users, you can have a try this Video Converter.
***********.aiseesoft.com/total-video-converter.html